Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Section 7.2 - Rational Exponents - Vocabulary, Readiness & Video Check: 3



Work Step by Step

True, the rule $\frac{1}{(a)^{-\frac{m}{n}}}=a^{\frac{m}{n}}$ (where $a^{\frac{m}{n}}$ is a nonzero real number) can be found on page 420. For example, $\frac{1}{(16)^{-\frac{3}{4}}}=16^{\frac{3}{4}}=(\sqrt[4] 16)^{3}=2^{3}=8$.
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